We chose the 360 because we liked the idea of having him forward facing and we chose the cool air mesh so we could take it out walking without getting too warm. (ergobaby.com)
The material is soft and so is the padded liner covered with air mesh makes this a really comfortable harness, too. (geekwrapped.com)
The 3D air mesh helps keep cool air circulating through the pillow in the summer and warm air circulating in the winter. (tinyfry.com)